UnknownOtherFinancial accountGovernment IDMedium

Prosper Marketplace, Inc.

bd_beda237047e22681 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Sep 1, 2025

Filed

Dec 1, 2025

To disclose

—

Affected

Withheld by the regulator

Linked

14 filings

Confidence

95%

Full breach record for Prosper Marketplace, Inc. →3 incidents on file

PROSPER MARKETPLACE, INC. filed a data-breach notice with the Illinois Attorney General in December 2025 (case 25-12-642). The register records the breach as discovered on September 1, 2025. Personal information types reported: drivers license, financial account number, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

J jump to incidentP pin to compareR raw source

Incident timeline

Sep 1, 2025

Discovered

Dec 1, 2025

Filed

This filing is one of 14 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Indiana State AGbd_064375e1021db3242025-12-09 · +8dVerified
Delaware State AGbd_0e596803e4bc415f2025-12-09 · +8dVerified
California State AGbd_1d8dc2966340fc3f2025-12-09 · +8dVerified
Washington State AGbd_371b15508a6d2c9c2025-12-09 · +8dVerified

Show 6 more filings ↓up to 10d gap

Montana State AGbd_9747b8377985ec6c2025-12-09 · +8dVerified
Nebraska State AGbd_d38f45326410ee322025-12-09 · +8dVerified
Iowa State AGbd_d6c1820c7624a9c42025-12-09 · +8dVerified
Nebraska State AGbd_d7d33fc3f88c47e62025-12-09 · +8dVerified
Texas State AGbd_a95dd486a1b3cf8d2025-12-10 · +9dVerified
South Carolina State AGbd_7e60fb558f4916482025-12-11 · +10dVerified

Showing first 10 of 13 linked disclosures.

Name: Prosper Marketplace, Inc.
norm: prosper marketplace
Domain: prosper.com

Name: Prosper Marketplace, Inc.
norm: prosper marketplace
Domain: prosper.com
Industry: Otherllm

Discovered: Sep 1, 2025
Materiality determined: —
Notification sent: —
Affected individuals: Withheld by the regulator
Data types: Financial accountGovernment ID
Data elements: Driver's licence numberFinancial account numberSocial Security number
Attack vector: Unknown

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 10 states

View merged incident ↗

Illinois State AGDec 1 · first · this page

Indiana State AG+8d

Delaware State AG+8d

California State AG+8d

Washington State AG+8d

South Carolina State AG+10d

Pattern: first filing Dec 1 (IL), last Dec 11 (SC) — a 10-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 13 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://databreachnoticetoattorneygeneral.illinoisattorneygeneral.gov/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 1, 2025
Raw hash: faca5793c54f770ab7d68cd33ee5e1384c59651250cdce3046be583aa11f8497

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityProsper Marketplace, Inc.

Victim entityProsper Marketplace, Inc.

Incidentdiscovered Sep 1, 2025

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedatabreachnoticetoattorneygeneral.illinoisattorneygeneral.gov